How many electrons are in a kWh?
Table of Contents
How many electrons are in a kWh?
“It takes 6 x 10^18 electrons to equal a coulomb. A kilowatt hour is a measure of power. An amp is equal to one coulomb/second. A watt is volts x amps.
What is 1kw per hour?
1,000 watts
A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. Below are some examples of electrical appliances found in most homes. These examples are using a 10 cents per kWh rate.
How many electrons are in a watt?
A 1 watt bulb takes 1 joules/sec = 1/(1.6 x 10⁻¹⁹) = 1.44 x 10¹⁸ eV. Now all we need to know is the voltage of your bulb. If it is 220 V then you need 1.44 x 10¹⁸ eV/220 = 6.57 x 10¹⁵ electrons per second for a 1 watt bulb at 220V.
How many volts is 1kwh?
Kilowatt-hours to Electron-volts table
Kilowatt-hours | Electron-volts |
---|---|
1 kWh | 22469434740244522043703296.00 eV |
2 kWh | 44938869480489044087406592.00 eV |
3 kWh | 67408304220733561836142592.00 eV |
4 kWh | 89877738960978088174813184.00 eV |
How do you calculate amps from kW and volts?
AC three phase kilowatts to amps calculation formula
- I = 1000 × P / (√3 × PF × VL-L )
- amps = 1000 × kilowatts / (√3 × PF × volts)
- A = 1000 × kW / (√3 × PF × V)
- I = 1000 × 0.33kW / (√3 × 0.8 × 110V) = 2.165A.
How do I convert volts to kilowatts?
AC three phase volts to kilowatts calculation formula
- P(kW) = √3 × PF × I(A) × VL-L(V) / 1000.
- kilowatt = √3 × PF × amp × volt / 1000.
- kW = √3 × PF × A × V / 1000.
- P(kW) = √3 × 0.8 × 3A × 110V / 1000 = 0.457kW.
How many kilowatts is 240 volts?
Volts to kW, table for conversion, equivalence, transformation (Amperes = 10Amp, Fp = 0.8, AC, 3F):
How many Volts are: | Equivalence in Watts |
---|---|
120 Volts | Equivalent to 1.6 kWatts |
127 Volts | 1.7 kWatts |
220 Volts | 3.0 kWatts |
240 Volts | 3.3 kWatts |
How do you convert kilowatt hours to amps?
This is done by using the following formula: Kilowatt-hours (kWh) = Amp-hours (Ah) × Voltage of battery (V) ÷ 1,000.